The 2 Sigma Problem: The Search for Methods of Group Instruction as Effective as One-to-One Tutoring
- 1 June 1984
- journal article
- research article
- Published by American Educational Research Association (AERA) in Educational Researcher
- Vol. 13 (6)
- https://doi.org/10.2307/1175554
Abstract
No abstract availableThis publication has 0 references indexed in Scilit: